Build error fixes

Changed run_phase to be a task

src/axi/axi_agent.sv

@@ -102,10 +102,10 @@ class axi_agent extends uvm_agent;
 
     // --------------------------------------------------
     // Run phase
-    virtual function void run_phase(uvm_phase phase);
+    virtual task run_phase(uvm_phase phase);
         `uvm_info("axi_agent", $sformatf("Running AXI agent: %s as %s",
             get_full_name(), agent_type.name()), UVM_LOW)
-    endfunction
+    endtask
 endclass : axi_agent
 
 // ----------------------------------------------------------------------

src/axi/axi_driver.sv

@@ -47,7 +47,7 @@ class axi_driver extends uvm_driver; // #(axi_transaction);
 
     // --------------------------------------------------
     // Run phase
-    virtual function void run_phase(uvm_phase phase);
+    virtual task run_phase(uvm_phase phase);
         // Open transaction log file
         trk_file = $fopen($sformatf("axi_driver.%s.log", agent_type.name()), "w");
         if (trk_file == 0) begin
@@ -58,7 +58,7 @@ class axi_driver extends uvm_driver; // #(axi_transaction);
 
         // Start driver
         drive_axi(phase);
-    endfunction
+    endtask
 
     // --------------------------------------------------
     virtual task drive_axi(uvm_phase phase);

src/axi/axi_monitor.sv

@@ -44,7 +44,7 @@ class axi_monitor extends uvm_monitor; // #(axi_transaction);
 
     // --------------------------------------------------
     // Run phase
-    virtual function void run_phase(uvm_phase phase);
+    virtual task run_phase(uvm_phase phase);
         // Open transaction log file
         trk_file = $fopen($sformatf("axi_transactions.%s.log", agent_type.name()), "w");
         if (trk_file == 0) begin
@@ -55,7 +55,7 @@ class axi_monitor extends uvm_monitor; // #(axi_transaction);
 
         // Start monitoring
         do_monitor();
-    endfunction
+    endtask
 
     // --------------------------------------------------
     // Monitor logic to capture transactions
@@ -93,6 +93,7 @@ class axi_monitor extends uvm_monitor; // #(axi_transaction);
                     txn.txn_type = AXI_WRITE;
                     txn.addr = mon_if.AWADDR;
                     txn.length = mon_if.AWLEN;
+                    txn.size = mon_if.AWSIZE;
                 end
             end
 
@@ -112,11 +113,12 @@ class axi_monitor extends uvm_monitor; // #(axi_transaction);
             if (txn_ph == 2) begin
                 if (((mon_if.BREADY != prev_bready) || (mon_if.BVALID != prev_bvalid))
                     && ((mon_if.BREADY === 1'b1) && (mon_if.BVALID === 1'b1))) begin
-                    txn_ph = 2; // DATA
+                    txn_ph = 0; // IDLE
 
                     // Capture transaction details here
-                    txn.resp = mon_if.WSTRB;
+                    txn.resp = mon_if.BRESP;
 
+                    txn.sample_coverage();
                     ap.write(txn);
                     write_transaction_to_file(txn);
                 end
@@ -155,6 +157,7 @@ class axi_monitor extends uvm_monitor; // #(axi_transaction);
                     txn.txn_type = AXI_READ;
                     txn.addr = mon_if.ARADDR;
                     txn.length = mon_if.ARLEN;
+                    txn.size = mon_if.ARSIZE;
                 end
             end
 
@@ -166,27 +169,14 @@ class axi_monitor extends uvm_monitor; // #(axi_transaction);
 
                     // Capture transaction details here
                     txn.data = mon_if.RDATA;
+                    txn.resp = mon_if.RRESP;
 
+                    txn.sample_coverage();
                     ap.write(txn);
                     write_transaction_to_file(txn);
                 end
             end
 
-            if (((mon_if.ARREADY != prev_arready) || (mon_if.ARVALID != prev_arvalid))
-                && ((mon_if.ARREADY === 1'b1) && (mon_if.ARVALID === 1'b1))) begin
-                axi_transaction txn;
-
-                txn = axi_transaction::type_id::create("txn");
-
-                // Capture transaction details here
-                txn.txn_type = AXI_READ;
-                txn.addr = mon_if.ARADDR;
-                txn.length = mon_if.ARLEN;
-
-                ap.write(txn);
-                write_transaction_to_file(txn);
-            end
-
             // Update previous values
             prev_arready = mon_if.ARREADY;
             prev_arvalid = mon_if.ARVALID;